Canon LBP7018C E-Manual page 179

"The Printer Driver Settings Cannot Be
NOTE
Using Preview to specify the setting
You can also specify a page layout by clicking within the document image on Preview when [
(Using Preview to be able to specify is [2 on 1] and [4 on 1] only.)
3
Specify the page order layout on paper.
4
Click [OK].
For details on the basic printing procedure, see
Changed"
"Basic Printing Procedure."
] is selected.